package com.garygyp.es.test;

import org.apache.http.HttpHost;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.delete.DeleteRequest;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.unit.Fuzziness;
import org.elasticsearch.index.query.BoolQueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.index.query.RangeQueryBuilder;
import org.elasticsearch.index.query.TermsQueryBuilder;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.SearchHits;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.search.fetch.subphase.highlight.HighlightBuilder;
import org.elasticsearch.search.sort.SortOrder;

public class ESTest_Doc_Query {

    public static void main(String[] args) throws Exception {

        // 创建ES客户端
        RestHighLevelClient esClient = new RestHighLevelClient(
                RestClient.builder(new HttpHost("localhost", 9200, "http"))
        );

        // 1、查询索引中全部的数据（全量查询）
        /*SearchRequest request = new SearchRequest();
        request.indices("user");

        request.source(new SearchSourceBuilder().query(QueryBuilders.matchAllQuery()));

        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);

        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());
        System.out.println(response.getTook());

        for (SearchHit hit : hits) {
            System.out.println(hit.getSourceAsString());
        }*/

        // 2、条件查询  termQuery
        /*SearchRequest request = new SearchRequest();
        request.indices("user");

        request.source(new SearchSourceBuilder().query(QueryBuilders.termQuery("age", 20)));

        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);

        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());
        System.out.println(response.getTook());

        for (SearchHit hit : hits) {
            System.out.println(hit.getSourceAsString());
        }*/

        // 3、分页查询
        /*SearchRequest request = new SearchRequest();
        request.indices("user");

        SearchSourceBuilder builder = new SearchSourceBuilder().query(QueryBuilders.matchAllQuery());
        // （当前页码-1）* 每页显示数据条数
        builder.from(0);
        builder.size(2);
        request.source(builder);

        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);

        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());
        System.out.println(response.getTook());

        for (SearchHit hit : hits) {
            System.out.println(hit.getSourceAsString());
        }*/

        // 4、查询排序
        /*SearchRequest request = new SearchRequest();
        request.indices("user");

        SearchSourceBuilder builder = new SearchSourceBuilder().query(QueryBuilders.matchAllQuery());
        // （当前页码-1）* 每页显示数据条数
        builder.sort("age", SortOrder.DESC);
        request.source(builder);

        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);

        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());
        System.out.println(response.getTook());

        for (SearchHit hit : hits) {
            System.out.println(hit.getSourceAsString());
        }*/

        // 5、过滤字段
        /*SearchRequest request = new SearchRequest();
        request.indices("user");

        SearchSourceBuilder builder = new SearchSourceBuilder().query(QueryBuilders.matchAllQuery());
        //
        String[] excludes = {"age"};
        String[] includes = {};
        builder.fetchSource(includes, excludes);

        request.source(builder);

        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);

        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());
        System.out.println(response.getTook());

        for (SearchHit hit : hits) {
            System.out.println(hit.getSourceAsString());
        }*/

        // 6、组合查询
        /*SearchRequest request = new SearchRequest();
        request.indices("user");

        SearchSourceBuilder builder = new SearchSourceBuilder();
        BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();

//        boolQueryBuilder.must(QueryBuilders.matchQuery("age", 20));
//        boolQueryBuilder.mustNot(QueryBuilders.matchQuery("sex", "男"));
        boolQueryBuilder.should(QueryBuilders.matchQuery("age", 20));
        boolQueryBuilder.should(QueryBuilders.matchQuery("age", 21));

        builder.query(boolQueryBuilder);

        request.source(builder);
        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);

        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());
        System.out.println(response.getTook());

        for (SearchHit hit : hits) {
            System.out.println(hit.getSourceAsString());
        }*/

        // 7、范围查询
        /*SearchRequest request = new SearchRequest();
        request.indices("user");

        SearchSourceBuilder builder = new SearchSourceBuilder();
        RangeQueryBuilder rangeQuery = QueryBuilders.rangeQuery("age");

        // 年龄大于等于20
        rangeQuery.gte(20);
        // 年龄小于45
        rangeQuery.lte(45);

        builder.query(rangeQuery);

        request.source(builder);
        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);

        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());
        System.out.println(response.getTook());

        for (SearchHit hit : hits) {
            System.out.println(hit.getSourceAsString());
        }*/

        // 8、模糊查询
        /*SearchRequest request = new SearchRequest();
        request.indices("user");

        SearchSourceBuilder builder = new SearchSourceBuilder();

        builder.query(QueryBuilders.fuzzyQuery("name", "GaryDiana").fuzziness(Fuzziness.AUTO));

        request.source(builder);
        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);

        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());
        System.out.println(response.getTook());

        for (SearchHit hit : hits) {
            System.out.println(hit.getSourceAsString());
        }*/

        // 9、高亮查询
        SearchRequest request = new SearchRequest();
        request.indices("user");

        SearchSourceBuilder builder = new SearchSourceBuilder();
        TermsQueryBuilder termsQueryBuilder = QueryBuilders.termsQuery("name", "Gary");

        HighlightBuilder highlightBuilder = new HighlightBuilder();
        highlightBuilder.preTags("<font color='red'>");
        highlightBuilder.postTags("</font>");
        highlightBuilder.field("name");

        builder.highlighter(highlightBuilder);
        builder.query(termsQueryBuilder);

        request.source(builder);
        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);

        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());
        System.out.println(response.getTook());

        for (SearchHit hit : hits) {
            System.out.println(hit.getSourceAsString());
        }

        // 关闭ES客户端
        esClient.close();
    }

}
